// UIAlertView
UIAlertView *alertView=[[UIAlertView alloc]
			initWithTitle:@"Warning"
			message:@"Choose People Name"
			delegate:self
			cancelButtonTitle:@"OK" 
			otherButtonTitles:nil,
			nil];
	[alertView show];
	[alertView release];
// UIAlertView

//Note:
/*
  add icon file "a.png" with 57*57 pixels. then set "icon file" in "info.plist" to that file to "a.png"
 */
